Home / 15,901.04-21,943.80-8,827.92

Finding the Fourth Proportional to 15,901.04, 21,943.80 and 8,827.92

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Solution

The fourth proportional to 15,901.04, 21,943.80 and 8,827.92 is: 12,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.04 : 21,943.80 = 8,827.92 : x
  2. Step 2: Convert to fraction form
    15,901.04/21,943.80 = 8,827.92/x
  3. Step 3: Cross multiply
    15,901.04x = 21,943.80 × 8,827.92
  4. Step 4: Simplify right side
    15,901.04x = 193,718,110.90
  5. Step 5: Solve for x
    x = 193,718,110.90/15,901.04
  6. Step 6: Final answer
    x = 12,182.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.